[ Subject Verb Agreement ]
Some-and perhaps as many as half-of all high school students _____ gingivitis.
A. has
B. have
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Contrastive ConjunctionsGrammar and PunctuationPhrasal VerbsVerb, Object, PrepositionExclamationGrammar of Conjunctions and PrepotitionsEnglish ArticlePresent Tenses and Connectorsa, an, the, zero articleConditional Sentences Type 1Other quiz:
Mixed General Quiz › ViewThis pie is too ___.
a. suite
b. sweet
Grammar › View
What is the negative form of ‘Open your book’?
A. Don’t open your book
B. No open your book
C. Open not your book
D. Not open your book